20345026666060 has 12 divisors (see below), whose sum is σ = 42724555998768. Its totient is φ = 8138010666416.

The previous prime is 20345026666037. The next prime is 20345026666079. The reversal of 20345026666060 is 6066662054302.

It is a super-2 number, since 2×20345026666060² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20345026666060.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508625666632 + ... + 508625666671.

It is an arithmetic number, because the mean of its divisors is an integer number (3560379666564).

Almost surely, 2^{20345026666060} is an apocalyptic number.

20345026666060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20345026666060 is an abundant number, since it is smaller than the sum of its proper divisors (22379529332708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20345026666060 is a wasteful number, since it uses less digits than its factorization.

20345026666060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017251333312 (or 1017251333310 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 20345026666060 in words is "twenty trillion, three hundred forty-five billion, twenty-six million, six hundred sixty-six thousand, sixty".